Categories

• Free_Access_Scientific_Archives(60)
• Free_Access_Theory(25)
• Free_Online_Literature(82)
• Free_Online_Poetry(32)
• Organizations(10)

Also See

• Open Content(83)
• Open Source(752)

Sites

• CKAN: Comprehensive Knowledge Archive Network--http://www.ckan.net/
  Registry of open data and content packages, making it easy to find, share and reuse open content and data, especially in ways that are machine automatable.